Rework the way EXPERIMENTAL architecture are marked as such, the same way kernels are handeld.
Fix marking EXPERIMENTAL kernel when using --prefix.

/trunk/kconfig/kconfig.mk | 44 22 22 0 ++++++++++++++++++++++----------------------
/trunk/arch/ia64/config.in | 1 1 0 0 +
/trunk/arch/sh/config.in | 1 1 0 0 +
3 files changed, 24 insertions(+), 22 deletions(-)

 # ia64 specific config options

 # EXPERIMENTAL

 config ARCH_ia64

     select ARCH_SUPPORTS_BOTH_ENDIAN

     help

       The ia64 architecture, as defined by:

         http://www.intel.com/design/itanium/arch_spec.htm